forked from OSchip/llvm-project
69 lines
2.1 KiB
C++
69 lines
2.1 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// UNSUPPORTED: c++98, c++03
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// <experimental/filesystem>
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// enum class perms;
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#include <experimental/filesystem>
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#include <type_traits>
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#include <cassert>
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#include <sys/stat.h>
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#include "test_macros.h"
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#include "check_bitmask_types.hpp"
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namespace fs = std::experimental::filesystem;
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constexpr fs::perms ME(int val) { return static_cast<fs::perms>(val); }
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int main() {
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typedef fs::perms E;
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static_assert(std::is_enum<E>::value, "");
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// Check that E is a scoped enum by checking for conversions.
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typedef std::underlying_type<E>::type UT;
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static_assert(!std::is_convertible<E, UT>::value, "");
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static_assert(std::is_same<UT, unsigned >::value, ""); // Implementation detail
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typedef check_bitmask_type<E, E::group_all, E::owner_all> BitmaskTester;
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assert(BitmaskTester::check());
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static_assert(
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E::none == ME(0) &&
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E::owner_read == ME(0400) &&
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E::owner_write == ME(0200) &&
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E::owner_exec == ME(0100) &&
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E::owner_all == ME(0700) &&
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E::group_read == ME(040) &&
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E::group_write == ME(020) &&
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E::group_exec == ME(010) &&
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E::group_all == ME(070) &&
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E::others_read == ME(04) &&
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E::others_write == ME(02) &&
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E::others_exec == ME(01) &&
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E::others_all == ME(07) &&
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E::all == ME(0777) &&
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E::set_uid == ME(04000) &&
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E::set_gid == ME(02000) &&
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E::sticky_bit == ME(01000) &&
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E::mask == ME(07777) &&
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E::unknown == ME(0xFFFF) &&
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E::add_perms == ME(0x10000) &&
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E::remove_perms == ME(0x20000) &&
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E::symlink_nofollow == ME(0x40000),
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"Expected enumeration values do not match");
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}
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